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[SCSI] fusion: convert semaphores to mutexes
[deliverable/linux.git] / drivers / message / fusion / mptbase.h
CommitLineData
1da177e4
LT		 1/*
2 * linux/drivers/message/fusion/mptbase.h
3 * High performance SCSI + LAN / Fibre Channel device drivers.
4 * For use with PCI chip/adapter(s):
5 * LSIFC9xx/LSI409xx Fibre Channel
6 * running LSI Logic Fusion MPT (Message Passing Technology) firmware.
7 *
7fadc87e 8 * Copyright (c) 1999-2005 LSI Logic Corporation
1da177e4
LT		 9 * (mailto:mpt_linux_developer@lsil.com)
10 *
1da177e4
LT		 11 */
12/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
13/*
14 This program is free software; you can redistribute it and/or modify
15 it under the terms of the GNU General Public License as published by
16 the Free Software Foundation; version 2 of the License.
17
18 This program is distributed in the hope that it will be useful,
19 but WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 GNU General Public License for more details.
22
23 NO WARRANTY
24 THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
25 CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
26 LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
27 MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
28 solely responsible for determining the appropriateness of using and
29 distributing the Program and assumes all risks associated with its
30 exercise of rights under this Agreement, including but not limited to
31 the risks and costs of program errors, damage to or loss of data,
32 programs or equipment, and unavailability or interruption of operations.
33
34 DISCLAIMER OF LIABILITY
35 NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
36 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
37 DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
38 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
39 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
40 USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
41 HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
42
43 You should have received a copy of the GNU General Public License
44 along with this program; if not, write to the Free Software
45 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
46*/
47
48#ifndef MPTBASE_H_INCLUDED
49#define MPTBASE_H_INCLUDED
50/*{-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
51
1da177e4
LT		 52#include <linux/config.h>
53#include <linux/kernel.h>
54#include <linux/pci.h>
55
56#include "lsi/mpi_type.h"
57#include "lsi/mpi.h" /* Fusion MPI(nterface) basic defs */
58#include "lsi/mpi_ioc.h" /* Fusion MPT IOC(ontroller) defs */
59#include "lsi/mpi_cnfg.h" /* IOC configuration support */
60#include "lsi/mpi_init.h" /* SCSI Host (initiator) protocol support */
61#include "lsi/mpi_lan.h" /* LAN over FC protocol support */
62#include "lsi/mpi_raid.h" /* Integrated Mirroring support */
63
64#include "lsi/mpi_fc.h" /* Fibre Channel (lowlevel) support */
65#include "lsi/mpi_targ.h" /* SCSI/FCP Target protcol support */
66#include "lsi/mpi_tool.h" /* Tools support */
82ffb671 67#include "lsi/mpi_sas.h" /* SAS support */
1da177e4
LT		 68
69/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
70
71#ifndef MODULEAUTHOR
72#define MODULEAUTHOR "LSI Logic Corporation"
73#endif
74
75#ifndef COPYRIGHT
7fadc87e 76#define COPYRIGHT "Copyright (c) 1999-2005 " MODULEAUTHOR
1da177e4
LT		 77#endif
78
f61c1c41
MED		 79#define MPT_LINUX_VERSION_COMMON "3.03.05"
80#define MPT_LINUX_PACKAGE_NAME "@(#)mptlinux-3.03.05"
1da177e4
LT		 81#define WHAT_MAGIC_STRING "@" "(" "#" ")"
82
83#define show_mptmod_ver(s,ver) \
84 printk(KERN_INFO "%s %s\n", s, ver);
85
86/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
87/*
88 * Fusion MPT(linux) driver configurable stuff...
89 */
90#define MPT_MAX_ADAPTERS 18
91#define MPT_MAX_PROTOCOL_DRIVERS 16
92#define MPT_MAX_BUS 1 /* Do not change */
93#define MPT_MAX_FC_DEVICES 255
94#define MPT_MAX_SCSI_DEVICES 16
95#define MPT_LAST_LUN 255
96#define MPT_SENSE_BUFFER_ALLOC 64
97 /* allow for 256 max sense alloc, but only 255 max request */
98#if MPT_SENSE_BUFFER_ALLOC >= 256
99# undef MPT_SENSE_BUFFER_ALLOC
100# define MPT_SENSE_BUFFER_ALLOC 256
101# define MPT_SENSE_BUFFER_SIZE 255
102#else
103# define MPT_SENSE_BUFFER_SIZE MPT_SENSE_BUFFER_ALLOC
104#endif
105
106#define MPT_NAME_LENGTH 32
107
108#define MPT_PROCFS_MPTBASEDIR "mpt"
109 /* chg it to "driver/fusion" ? */
110#define MPT_PROCFS_SUMMARY_ALL_NODE MPT_PROCFS_MPTBASEDIR "/summary"
111#define MPT_PROCFS_SUMMARY_ALL_PATHNAME "/proc/" MPT_PROCFS_SUMMARY_ALL_NODE
112#define MPT_FW_REV_MAGIC_ID_STRING "FwRev="
113
114#define MPT_MAX_REQ_DEPTH 1023
115#define MPT_DEFAULT_REQ_DEPTH 256
116#define MPT_MIN_REQ_DEPTH 128
117
118#define MPT_MAX_REPLY_DEPTH MPT_MAX_REQ_DEPTH
119#define MPT_DEFAULT_REPLY_DEPTH 128
120#define MPT_MIN_REPLY_DEPTH 8
121#define MPT_MAX_REPLIES_PER_ISR 32
122
123#define MPT_MAX_FRAME_SIZE 128
124#define MPT_DEFAULT_FRAME_SIZE 128
125
126#define MPT_REPLY_FRAME_SIZE 0x40 /* Must be a multiple of 8 */
127
128#define MPT_SG_REQ_128_SCALE 1
129#define MPT_SG_REQ_96_SCALE 2
130#define MPT_SG_REQ_64_SCALE 4
131
132#define CAN_SLEEP 1
133#define NO_SLEEP 0
134
135#define MPT_COALESCING_TIMEOUT 0x10
136
137/*
138 * SCSI transfer rate defines.
139 */
140#define MPT_ULTRA320 0x08
141#define MPT_ULTRA160 0x09
142#define MPT_ULTRA2 0x0A
143#define MPT_ULTRA 0x0C
144#define MPT_FAST 0x19
145#define MPT_SCSI 0x32
146#define MPT_ASYNC 0xFF
147
148#define MPT_NARROW 0
149#define MPT_WIDE 1
150
151#define C0_1030 0x08
152#define XL_929 0x01
153
154
155/*
156 * Try to keep these at 2^N-1
157 */
158#define MPT_FC_CAN_QUEUE 127
159#define MPT_SCSI_CAN_QUEUE 127
160
161/*
162 * Set the MAX_SGE value based on user input.
163 */
164#ifdef CONFIG_FUSION_MAX_SGE
165#if CONFIG_FUSION_MAX_SGE < 16
166#define MPT_SCSI_SG_DEPTH 16
167#elif CONFIG_FUSION_MAX_SGE > 128
168#define MPT_SCSI_SG_DEPTH 128
169#else
170#define MPT_SCSI_SG_DEPTH CONFIG_FUSION_MAX_SGE
171#endif
172#else
173#define MPT_SCSI_SG_DEPTH 40
174#endif
175
176#ifdef __KERNEL__ /* { */
177/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
178
179#include <linux/proc_fs.h>
180
181/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
182/*
183 * Attempt semi-consistent error & warning msgs across
184 * MPT drivers. NOTE: Users of these macro defs must
185 * themselves define their own MYNAM.
186 */
187#define MYIOC_s_INFO_FMT KERN_INFO MYNAM ": %s: "
188#define MYIOC_s_NOTE_FMT KERN_NOTICE MYNAM ": %s: "
189#define MYIOC_s_WARN_FMT KERN_WARNING MYNAM ": %s: WARNING - "
190#define MYIOC_s_ERR_FMT KERN_ERR MYNAM ": %s: ERROR - "
191
192/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
193/*
194 * MPT protocol driver defs...
195 */
196typedef enum {
197 MPTBASE_DRIVER, /* MPT base class */
198 MPTCTL_DRIVER, /* MPT ioctl class */
7fadc87e
MED		 199 MPTSPI_DRIVER, /* MPT SPI host class */
200 MPTFC_DRIVER, /* MPT FC host class */
201 MPTSAS_DRIVER, /* MPT SAS host class */
1da177e4
LT		 202 MPTLAN_DRIVER, /* MPT LAN class */
203 MPTSTM_DRIVER, /* MPT SCSI target mode class */
204 MPTUNKNOWN_DRIVER
205} MPT_DRIVER_CLASS;
206
207struct mpt_pci_driver{
208 int (*probe) (struct pci_dev *dev, const struct pci_device_id *id);
209 void (*remove) (struct pci_dev *dev);
1da177e4
LT		 210};
211
212/*
213 * MPT adapter / port / bus / device info structures...
214 */
215
216typedef union _MPT_FRAME_TRACKER {
217 struct {
218 struct list_head list;
219 u32 arg1;
220 u32 pad;
221 void *argp1;
222 } linkage;
223 /*
224 * NOTE: When request frames are free, on the linkage structure
225 * contets are valid. All other values are invalid.
226 * In particular, do NOT reply on offset [2]
227 * (in words) being the * message context.
228 * The message context must be reset (computed via base address
229 * + an offset) prior to issuing any command.
230 *
231 * NOTE2: On non-32-bit systems, where pointers are LARGE,
232 * using the linkage pointers destroys our sacred MsgContext
233 * field contents. But we don't care anymore because these
234 * are now reset in mpt_put_msg_frame() just prior to sending
235 * a request off to the IOC.
236 */
237 struct {
238 u32 __hdr[2];
239 /*
240 * The following _MUST_ match the location of the
241 * MsgContext field in the MPT message headers.
242 */
243 union {
244 u32 MsgContext;
245 struct {
246 u16 req_idx; /* Request index */
247 u8 cb_idx; /* callback function index */
248 u8 rsvd;
249 } fld;
250 } msgctxu;
251 } hwhdr;
252 /*
253 * Remark: 32 bit identifier:
254 * 31-24: reserved
255 * 23-16: call back index
256 * 15-0 : request index
257 */
258} MPT_FRAME_TRACKER;
259
260/*
261 * We might want to view/access a frame as:
262 * 1) generic request header
263 * 2) SCSIIORequest
264 * 3) SCSIIOReply
265 * 4) MPIDefaultReply
266 * 5) frame tracker
267 */
268typedef struct _MPT_FRAME_HDR {
269 union {
270 MPIHeader_t hdr;
271 SCSIIORequest_t scsireq;
272 SCSIIOReply_t sreply;
273 ConfigReply_t configreply;
274 MPIDefaultReply_t reply;
275 MPT_FRAME_TRACKER frame;
276 } u;
277} MPT_FRAME_HDR;
278
279#define MPT_REQ_MSGFLAGS_DROPME 0x80
280
281typedef struct _MPT_SGL_HDR {
282 SGESimple32_t sge[1];
283} MPT_SGL_HDR;
284
285typedef struct _MPT_SGL64_HDR {
286 SGESimple64_t sge[1];
287} MPT_SGL64_HDR;
288
289/*
290 * System interface register set
291 */
292
293typedef struct _SYSIF_REGS
294{
295 u32 Doorbell; /* 00 System<->IOC Doorbell reg */
296 u32 WriteSequence; /* 04 Write Sequence register */
297 u32 Diagnostic; /* 08 Diagnostic register */
298 u32 TestBase; /* 0C Test Base Address */
299 u32 DiagRwData; /* 10 Read Write Data (fw download) */
300 u32 DiagRwAddress; /* 14 Read Write Address (fw download)*/
301 u32 Reserved1[6]; /* 18-2F reserved for future use */
302 u32 IntStatus; /* 30 Interrupt Status */
303 u32 IntMask; /* 34 Interrupt Mask */
304 u32 Reserved2[2]; /* 38-3F reserved for future use */
305 u32 RequestFifo; /* 40 Request Post/Free FIFO */
306 u32 ReplyFifo; /* 44 Reply Post/Free FIFO */
307 u32 Reserved3[2]; /* 48-4F reserved for future use */
308 u32 HostIndex; /* 50 Host Index register */
309 u32 Reserved4[15]; /* 54-8F */
310 u32 Fubar; /* 90 For Fubar usage */
311 u32 Reserved5[27]; /* 94-FF */
312} SYSIF_REGS;
313
314/*
315 * NOTE: Use MPI_{DOORBELL,WRITESEQ,DIAG}_xxx defs in lsi/mpi.h
316 * in conjunction with SYSIF_REGS accesses!
317 */
318
319
320/*
321 * Dynamic Multi-Pathing specific stuff...
322 */
323
c7c82987 324/* VirtTarget negoFlags field */
1da177e4
LT		 325#define MPT_TARGET_NO_NEGO_WIDE 0x01
326#define MPT_TARGET_NO_NEGO_SYNC 0x02
327#define MPT_TARGET_NO_NEGO_QAS 0x04
328#define MPT_TAPE_NEGO_IDP 0x08
329
330/*
331 * VirtDevice - FC LUN device or SCSI target device
332 */
c7c82987 333typedef struct _VirtTarget {
1da177e4
LT		 334 u8 tflags;
335 u8 ioc_id;
336 u8 target_id;
337 u8 bus_id;
338 u8 minSyncFactor; /* 0xFF is async */
339 u8 maxOffset; /* 0 if async */
340 u8 maxWidth; /* 0 if narrow, 1 if wide */
341 u8 negoFlags; /* bit field, see above */
342 u8 raidVolume; /* set, if RAID Volume */
343 u8 type; /* byte 0 of Inquiry data */
1da177e4
LT		 344 u32 num_luns;
345 u32 luns[8]; /* Max LUNs is 256 */
1da177e4 346 u8 inq_data[8];
c7c82987
MED		 347} VirtTarget;
348
349typedef struct _VirtDevice {
350 VirtTarget *vtarget;
351 u8 ioc_id;
352 u8 bus_id;
353 u8 target_id;
354 u8 configured_lun;
355 u32 lun;
1da177e4
LT		 356} VirtDevice;
357
358/*
359 * Fibre Channel (SCSI) target device and associated defines...
360 */
361#define MPT_TARGET_DEFAULT_DV_STATUS 0x00
362#define MPT_TARGET_FLAGS_VALID_NEGO 0x01
363#define MPT_TARGET_FLAGS_VALID_INQUIRY 0x02
364#define MPT_TARGET_FLAGS_Q_YES 0x08
365#define MPT_TARGET_FLAGS_VALID_56 0x10
366#define MPT_TARGET_FLAGS_SAF_TE_ISSUED 0x20
367
368/*
369 * /proc/mpt interface
370 */
371typedef struct {
372 const char *name;
373 mode_t mode;
374 int pad;
375 read_proc_t *read_proc;
376 write_proc_t *write_proc;
377} mpt_proc_entry_t;
378
379#define MPT_PROC_READ_RETURN(buf,start,offset,request,eof,len) \
380do { \
381 len -= offset; \
382 if (len < request) { \
383 *eof = 1; \
384 if (len <= 0) \
385 return 0; \
386 } else \
387 len = request; \
388 *start = buf + offset; \
389 return len; \
390} while (0)
391
392
393/*
394 * IOCTL structure and associated defines
395 */
396
397#define MPT_IOCTL_STATUS_DID_IOCRESET 0x01 /* IOC Reset occurred on the current*/
398#define MPT_IOCTL_STATUS_RF_VALID 0x02 /* The Reply Frame is VALID */
399#define MPT_IOCTL_STATUS_TIMER_ACTIVE 0x04 /* The timer is running */
400#define MPT_IOCTL_STATUS_SENSE_VALID 0x08 /* Sense data is valid */
401#define MPT_IOCTL_STATUS_COMMAND_GOOD 0x10 /* Command Status GOOD */
402#define MPT_IOCTL_STATUS_TMTIMER_ACTIVE 0x20 /* The TM timer is running */
403#define MPT_IOCTL_STATUS_TM_FAILED 0x40 /* User TM request failed */
404
405#define MPTCTL_RESET_OK 0x01 /* Issue Bus Reset */
406
407typedef struct _MPT_IOCTL {
408 struct _MPT_ADAPTER *ioc;
409 u8 ReplyFrame[MPT_DEFAULT_FRAME_SIZE]; /* reply frame data */
410 u8 sense[MPT_SENSE_BUFFER_ALLOC];
411 int wait_done; /* wake-up value for this ioc */
412 u8 rsvd;
413 u8 status; /* current command status */
414 u8 reset; /* 1 if bus reset allowed */
415 u8 target; /* target for reset */
eeb846ce 416 struct mutex ioctl_mutex;
1da177e4
LT		 417} MPT_IOCTL;
418
da4fa655
CH		 419#define MPT_SAS_MGMT_STATUS_RF_VALID 0x02 /* The Reply Frame is VALID */
420#define MPT_SAS_MGMT_STATUS_COMMAND_GOOD 0x10 /* Command Status GOOD */
421#define MPT_SAS_MGMT_STATUS_TM_FAILED 0x40 /* User TM request failed */
422
423typedef struct _MPT_SAS_MGMT {
eeb846ce 424 struct mutex mutex;
da4fa655
CH		 425 struct completion done;
426 u8 reply[MPT_DEFAULT_FRAME_SIZE]; /* reply frame data */
427 u8 status; /* current command status */
428}MPT_SAS_MGMT;
429
1da177e4
LT		 430/*
431 * Event Structure and define
432 */
466544d8 433#define MPTCTL_EVENT_LOG_SIZE (0x000000032)
1da177e4
LT		 434typedef struct _mpt_ioctl_events {
435 u32 event; /* Specified by define above */
436 u32 eventContext; /* Index or counter */
437 int data[2]; /* First 8 bytes of Event Data */
438} MPT_IOCTL_EVENTS;
439
440/*
441 * CONFIGPARM status defines
442 */
443#define MPT_CONFIG_GOOD MPI_IOCSTATUS_SUCCESS
444#define MPT_CONFIG_ERROR 0x002F
445
446/*
447 * Substructure to store SCSI specific configuration page data
448 */
449 /* dvStatus defines: */
450#define MPT_SCSICFG_NEGOTIATE 0x01 /* Negotiate on next IO */
451#define MPT_SCSICFG_NEED_DV 0x02 /* Schedule DV */
452#define MPT_SCSICFG_DV_PENDING 0x04 /* DV on this physical id pending */
453#define MPT_SCSICFG_DV_NOT_DONE 0x08 /* DV has not been performed */
454#define MPT_SCSICFG_BLK_NEGO 0x10 /* WriteSDP1 with WDTR and SDTR disabled */
455#define MPT_SCSICFG_RELOAD_IOC_PG3 0x20 /* IOC Pg 3 data is obsolete */
456 /* Args passed to writeSDP1: */
457#define MPT_SCSICFG_USE_NVRAM 0x01 /* WriteSDP1 using NVRAM */
458#define MPT_SCSICFG_ALL_IDS 0x02 /* WriteSDP1 to all IDS */
459/* #define MPT_SCSICFG_BLK_NEGO 0x10 WriteSDP1 with WDTR and SDTR disabled */
460
466544d8 461typedef struct _SpiCfgData {
1da177e4
LT		 462 u32 PortFlags;
463 int *nvram; /* table of device NVRAM values */
1da177e4
LT		 464 IOCPage4_t *pIocPg4; /* SEP devices addressing */
465 dma_addr_t IocPg4_dma; /* Phys Addr of IOCPage4 data */
466 int IocPg4Sz; /* IOCPage4 size */
467 u8 dvStatus[MPT_MAX_SCSI_DEVICES];
1da177e4
LT		 468 u8 minSyncFactor; /* 0xFF if async */
469 u8 maxSyncOffset; /* 0 if async */
470 u8 maxBusWidth; /* 0 if narrow, 1 if wide */
471 u8 busType; /* SE, LVD, HD */
472 u8 sdp1version; /* SDP1 version */
473 u8 sdp1length; /* SDP1 length */
474 u8 sdp0version; /* SDP0 version */
475 u8 sdp0length; /* SDP0 length */
476 u8 dvScheduled; /* 1 if scheduled */
477 u8 forceDv; /* 1 to force DV scheduling */
478 u8 noQas; /* Disable QAS for this adapter */
466544d8
MED		 479 u8 Saf_Te; /* 1 to force all Processors as
480 * SAF-TE if Inquiry data length
481 * is too short to check for SAF-TE
482 */
7fadc87e 483 u8 mpt_dv; /* command line option: enhanced=1, basic=0 */
466544d8 484 u8 bus_reset; /* 1 to allow bus reset */
1da177e4 485 u8 rsvd[1];
466544d8 486}SpiCfgData;
1da177e4 487
82ffb671
CH		 488typedef struct _SasCfgData {
489 u8 ptClear; /* 1 to automatically clear the
490 * persistent table.
491 * 0 to disable
492 * automatic clearing.
493 */
494}SasCfgData;
495
466544d8
MED		 496typedef struct _RaidCfgData {
497 IOCPage2_t *pIocPg2; /* table of Raid Volumes */
498 IOCPage3_t *pIocPg3; /* table of physical disks */
499 int isRaid; /* bit field, 1 if RAID */
500}RaidCfgData;
501
1da177e4
LT		 502/*
503 * Adapter Structure - pci_dev specific. Maximum: MPT_MAX_ADAPTERS
504 */
505typedef struct _MPT_ADAPTER
506{
507 int id; /* Unique adapter id N {0,1,2,...} */
508 int pci_irq; /* This irq */
509 char name[MPT_NAME_LENGTH]; /* "iocN" */
510 char *prod_name; /* "LSIFC9x9" */
511 SYSIF_REGS __iomem *chip; /* == c8817000 (mmap) */
512 SYSIF_REGS __iomem *pio_chip; /* Programmed IO (downloadboot) */
513 u8 bus_type;
514 u32 mem_phys; /* == f4020000 (mmap) */
515 u32 pio_mem_phys; /* Programmed IO (downloadboot) */
516 int mem_size; /* mmap memory size */
517 int alloc_total;
518 u32 last_state;
519 int active;
520 u8 *alloc; /* frames alloc ptr */
521 dma_addr_t alloc_dma;
522 u32 alloc_sz;
523 MPT_FRAME_HDR *reply_frames; /* Reply msg frames - rounded up! */
524 u32 reply_frames_low_dma;
525 int reply_depth; /* Num Allocated reply frames */
526 int reply_sz; /* Reply frame size */
527 int num_chain; /* Number of chain buffers */
528 /* Pool of buffers for chaining. ReqToChain
529 * and ChainToChain track index of chain buffers.
530 * ChainBuffer (DMA) virt/phys addresses.
531 * FreeChainQ (lock) locking mechanisms.
532 */
533 int *ReqToChain;
534 int *RequestNB;
535 int *ChainToChain;
536 u8 *ChainBuffer;
537 dma_addr_t ChainBufferDMA;
538 struct list_head FreeChainQ;
539 spinlock_t FreeChainQlock;
540 /* We (host driver) get to manage our own RequestQueue! */
541 dma_addr_t req_frames_dma;
542 MPT_FRAME_HDR *req_frames; /* Request msg frames - rounded up! */
543 u32 req_frames_low_dma;
544 int req_depth; /* Number of request frames */
545 int req_sz; /* Request frame size (bytes) */
546 spinlock_t FreeQlock;
547 struct list_head FreeQ;
548 /* Pool of SCSI sense buffers for commands coming from
549 * the SCSI mid-layer. We have one 256 byte sense buffer
550 * for each REQ entry.
551 */
552 u8 *sense_buf_pool;
553 dma_addr_t sense_buf_pool_dma;
554 u32 sense_buf_low_dma;
82ffb671
CH		 555 u8 *HostPageBuffer; /* SAS - host page buffer support */
556 u32 HostPageBuffer_sz;
557 dma_addr_t HostPageBuffer_dma;
1da177e4
LT		 558 int mtrr_reg;
559 struct pci_dev *pcidev; /* struct pci_dev pointer */
560 u8 __iomem *memmap; /* mmap address */
561 struct Scsi_Host *sh; /* Scsi Host pointer */
466544d8
MED		 562 SpiCfgData spi_data; /* Scsi config. data */
563 RaidCfgData raid_data; /* Raid config. data */
82ffb671 564 SasCfgData sas_data; /* Sas config. data */
1da177e4
LT		 565 MPT_IOCTL *ioctl; /* ioctl data pointer */
566 struct proc_dir_entry *ioc_dentry;
567 struct _MPT_ADAPTER *alt_ioc; /* ptr to 929 bound adapter port */
568 spinlock_t diagLock; /* diagnostic reset lock */
569 int diagPending;
570 u32 biosVersion; /* BIOS version from IO Unit Page 2 */
571 int eventTypes; /* Event logging parameters */
572 int eventContext; /* Next event context */
573 int eventLogSize; /* Max number of cached events */
574 struct _mpt_ioctl_events *events; /* pointer to event log */
575 u8 *cached_fw; /* Pointer to FW */
576 dma_addr_t cached_fw_dma;
577 struct list_head configQ; /* linked list of config. requests */
578 int hs_reply_idx;
579#ifndef MFCNT
580 u32 pad0;
581#else
582 u32 mfcnt;
583#endif
82ffb671 584 u32 NB_for_64_byte_frame;
1da177e4
LT		 585 u32 hs_req[MPT_MAX_FRAME_SIZE/sizeof(u32)];
586 u16 hs_reply[MPT_MAX_FRAME_SIZE/sizeof(u16)];
587 IOCFactsReply_t facts;
588 PortFactsReply_t pfacts[2];
589 FCPortPage0_t fc_port_page0[2];
82ffb671
CH		 590 struct timer_list persist_timer; /* persist table timer */
591 int persist_wait_done; /* persist completion flag */
592 u8 persist_reply_frame[MPT_DEFAULT_FRAME_SIZE]; /* persist reply */
1da177e4
LT		 593 LANPage0_t lan_cnfg_page0;
594 LANPage1_t lan_cnfg_page1;
82ffb671 595 /*
3fadc59d
MED		 596 * Description: errata_flag_1064
597 * If a PCIX read occurs within 1 or 2 cycles after the chip receives
598 * a split completion for a read data, an internal address pointer incorrectly
599 * increments by 32 bytes
600 */
82ffb671 601 int errata_flag_1064;
1da177e4
LT		 602 u8 FirstWhoInit;
603 u8 upload_fw; /* If set, do a fw upload */
604 u8 reload_fw; /* Force a FW Reload on next reset */
82ffb671 605 u8 NBShiftFactor; /* NB Shift Factor based on Block Size (Facts) */
1da177e4 606 u8 pad1[4];
7fadc87e
MED		 607 int DoneCtx;
608 int TaskCtx;
609 int InternalCtx;
2a238ea5
MED		 610 spinlock_t initializing_hba_lock;
611 int initializing_hba_lock_flag;
82ffb671 612 struct list_head list;
1da177e4 613 struct net_device *netdev;
82ffb671 614 struct list_head sas_topology;
9a28f49a 615 struct mutex sas_topology_mutex;
da4fa655 616 MPT_SAS_MGMT sas_mgmt;
1da177e4
LT		 617} MPT_ADAPTER;
618
619/*
620 * New return value convention:
621 * 1 = Ok to free associated request frame
622 * 0 = not Ok ...
623 */
624typedef int (*MPT_CALLBACK)(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
625typedef int (*MPT_EVHANDLER)(MPT_ADAPTER *ioc, EventNotificationReply_t *evReply);
626typedef int (*MPT_RESETHANDLER)(MPT_ADAPTER *ioc, int reset_phase);
627/* reset_phase defs */
628#define MPT_IOC_PRE_RESET 0
629#define MPT_IOC_POST_RESET 1
630#define MPT_IOC_SETUP_RESET 2
631
632/*
633 * Invent MPT host event (super-set of MPI Events)
634 * Fitted to 1030's 64-byte [max] request frame size
635 */
636typedef struct _MPT_HOST_EVENT {
637 EventNotificationReply_t MpiEvent; /* 8 32-bit words! */
638 u32 pad[6];
639 void *next;
640} MPT_HOST_EVENT;
641
642#define MPT_HOSTEVENT_IOC_BRINGUP 0x91
643#define MPT_HOSTEVENT_IOC_RECOVER 0x92
644
645/* Define the generic types based on the size
646 * of the dma_addr_t type.
647 */
648typedef struct _mpt_sge {
649 u32 FlagsLength;
650 dma_addr_t Address;
651} MptSge_t;
652
653#define mpt_addr_size() \
654 ((sizeof(dma_addr_t) == sizeof(u64)) ? MPI_SGE_FLAGS_64_BIT_ADDRESSING : \
655 MPI_SGE_FLAGS_32_BIT_ADDRESSING)
656
657#define mpt_msg_flags() \
658 ((sizeof(dma_addr_t) == sizeof(u64)) ? MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_64 : \
659 MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_32)
660
661/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
662/*
663 * Funky (private) macros...
664 */
665#ifdef MPT_DEBUG
666#define dprintk(x) printk x
667#else
668#define dprintk(x)
669#endif
670
671#ifdef MPT_DEBUG_INIT
672#define dinitprintk(x) printk x
673#define DBG_DUMP_FW_REQUEST_FRAME(mfp) \
674 { int i, n = 10; \
675 u32 *m = (u32 *)(mfp); \
676 printk(KERN_INFO " "); \
677 for (i=0; i<n; i++) \
678 printk(" %08x", le32_to_cpu(m[i])); \
679 printk("\n"); \
680 }
681#else
682#define dinitprintk(x)
683#define DBG_DUMP_FW_REQUEST_FRAME(mfp)
684#endif
685
686#ifdef MPT_DEBUG_EXIT
687#define dexitprintk(x) printk x
688#else
689#define dexitprintk(x)
690#endif
691
692#if defined MPT_DEBUG_FAIL || defined (MPT_DEBUG_SG)
693#define dfailprintk(x) printk x
694#else
695#define dfailprintk(x)
696#endif
697
698#ifdef MPT_DEBUG_HANDSHAKE
699#define dhsprintk(x) printk x
700#else
701#define dhsprintk(x)
702#endif
703
704#ifdef MPT_DEBUG_EVENTS
705#define devtprintk(x) printk x
706#else
707#define devtprintk(x)
708#endif
709
710#ifdef MPT_DEBUG_RESET
711#define drsprintk(x) printk x
712#else
713#define drsprintk(x)
714#endif
715
716//#if defined(MPT_DEBUG) || defined(MPT_DEBUG_MSG_FRAME)
717#if defined(MPT_DEBUG_MSG_FRAME)
718#define dmfprintk(x) printk x
719#define DBG_DUMP_REQUEST_FRAME(mfp) \
720 { int i, n = 24; \
721 u32 *m = (u32 *)(mfp); \
722 for (i=0; i<n; i++) { \
723 if (i && ((i%8)==0)) \
724 printk("\n"); \
725 printk("%08x ", le32_to_cpu(m[i])); \
726 } \
727 printk("\n"); \
728 }
729#else
730#define dmfprintk(x)
731#define DBG_DUMP_REQUEST_FRAME(mfp)
732#endif
733
734#ifdef MPT_DEBUG_IRQ
735#define dirqprintk(x) printk x
736#else
737#define dirqprintk(x)
738#endif
739
740#ifdef MPT_DEBUG_SG
741#define dsgprintk(x) printk x
742#else
743#define dsgprintk(x)
744#endif
745
746#if defined(MPT_DEBUG_DL) || defined(MPT_DEBUG)
747#define ddlprintk(x) printk x
748#else
749#define ddlprintk(x)
750#endif
751
752#ifdef MPT_DEBUG_DV
753#define ddvprintk(x) printk x
754#else
755#define ddvprintk(x)
756#endif
757
758#ifdef MPT_DEBUG_NEGO
759#define dnegoprintk(x) printk x
760#else
761#define dnegoprintk(x)
762#endif
763
764#if defined(MPT_DEBUG_DV) || defined(MPT_DEBUG_DV_TINY)
765#define ddvtprintk(x) printk x
766#else
767#define ddvtprintk(x)
768#endif
769
770#ifdef MPT_DEBUG_IOCTL
771#define dctlprintk(x) printk x
772#else
773#define dctlprintk(x)
774#endif
775
776#ifdef MPT_DEBUG_REPLY
777#define dreplyprintk(x) printk x
778#else
779#define dreplyprintk(x)
780#endif
781
782#ifdef MPT_DEBUG_TM
783#define dtmprintk(x) printk x
784#define DBG_DUMP_TM_REQUEST_FRAME(mfp) \
785 { u32 *m = (u32 *)(mfp); \
786 int i, n = 13; \
787 printk("TM_REQUEST:\n"); \
788 for (i=0; i<n; i++) { \
789 if (i && ((i%8)==0)) \
790 printk("\n"); \
791 printk("%08x ", le32_to_cpu(m[i])); \
792 } \
793 printk("\n"); \
794 }
795#define DBG_DUMP_TM_REPLY_FRAME(mfp) \
796 { u32 *m = (u32 *)(mfp); \
797 int i, n = (le32_to_cpu(m[0]) & 0x00FF0000) >> 16; \
798 printk("TM_REPLY MessageLength=%d:\n", n); \
799 for (i=0; i<n; i++) { \
800 if (i && ((i%8)==0)) \
801 printk("\n"); \
802 printk(" %08x", le32_to_cpu(m[i])); \
803 } \
804 printk("\n"); \
805 }
806#else
807#define dtmprintk(x)
808#define DBG_DUMP_TM_REQUEST_FRAME(mfp)
809#define DBG_DUMP_TM_REPLY_FRAME(mfp)
810#endif
811
1da177e4
LT		 812#if defined(MPT_DEBUG_CONFIG) || defined(MPT_DEBUG)
813#define dcprintk(x) printk x
814#else
815#define dcprintk(x)
816#endif
817
818#if defined(MPT_DEBUG_SCSI) || defined(MPT_DEBUG) || defined(MPT_DEBUG_MSG_FRAME)
819#define dsprintk(x) printk x
820#else
821#define dsprintk(x)
822#endif
823
824
825#define MPT_INDEX_2_MFPTR(ioc,idx) \
826 (MPT_FRAME_HDR*)( (u8*)(ioc)->req_frames + (ioc)->req_sz * (idx) )
827
828#define MFPTR_2_MPT_INDEX(ioc,mf) \
829 (int)( ((u8*)mf - (u8*)(ioc)->req_frames) / (ioc)->req_sz )
830
831#define MPT_INDEX_2_RFPTR(ioc,idx) \
832 (MPT_FRAME_HDR*)( (u8*)(ioc)->reply_frames + (ioc)->req_sz * (idx) )
833
834#if defined(MPT_DEBUG) || defined(MPT_DEBUG_MSG_FRAME)
835#define DBG_DUMP_REPLY_FRAME(mfp) \
836 { u32 *m = (u32 *)(mfp); \
837 int i, n = (le32_to_cpu(m[0]) & 0x00FF0000) >> 16; \
838 printk(KERN_INFO " "); \
839 for (i=0; i<n; i++) \
840 printk(" %08x", le32_to_cpu(m[i])); \
841 printk("\n"); \
842 }
843#define DBG_DUMP_REQUEST_FRAME_HDR(mfp) \
844 { int i, n = 3; \
845 u32 *m = (u32 *)(mfp); \
846 printk(KERN_INFO " "); \
847 for (i=0; i<n; i++) \
848 printk(" %08x", le32_to_cpu(m[i])); \
849 printk("\n"); \
850 }
851#else
852#define DBG_DUMP_REPLY_FRAME(mfp)
853#define DBG_DUMP_REQUEST_FRAME_HDR(mfp)
854#endif
855
856
857/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
858
859#define SCSI_STD_SENSE_BYTES 18
860#define SCSI_STD_INQUIRY_BYTES 36
861#define SCSI_MAX_INQUIRY_BYTES 96
862
863/*
864 * MPT_SCSI_HOST defines - Used by the IOCTL and the SCSI drivers
865 * Private to the driver.
866 */
867/* LOCAL structure and fields used when processing
868 * internally generated commands. These include:
869 * bus scan, dv and config requests.
870 */
871typedef struct _MPT_LOCAL_REPLY {
872 ConfigPageHeader_t header;
873 int completion;
874 u8 sense[SCSI_STD_SENSE_BYTES];
875 u8 scsiStatus;
876 u8 skip;
877 u32 pad;
878} MPT_LOCAL_REPLY;
879
880#define MPT_HOST_BUS_UNKNOWN (0xFF)
881#define MPT_HOST_TOO_MANY_TM (0x05)
882#define MPT_HOST_NVRAM_INVALID (0xFFFFFFFF)
883#define MPT_HOST_NO_CHAIN (0xFFFFFFFF)
884#define MPT_NVRAM_MASK_TIMEOUT (0x000000FF)
885#define MPT_NVRAM_SYNC_MASK (0x0000FF00)
886#define MPT_NVRAM_SYNC_SHIFT (8)
887#define MPT_NVRAM_DISCONNECT_ENABLE (0x00010000)
888#define MPT_NVRAM_ID_SCAN_ENABLE (0x00020000)
889#define MPT_NVRAM_LUN_SCAN_ENABLE (0x00040000)
890#define MPT_NVRAM_TAG_QUEUE_ENABLE (0x00080000)
891#define MPT_NVRAM_WIDE_DISABLE (0x00100000)
892#define MPT_NVRAM_BOOT_CHOICE (0x00200000)
893
894/* The TM_STATE variable is used to provide strict single threading of TM
895 * requests as well as communicate TM error conditions.
896 */
897#define TM_STATE_NONE (0)
898#define TM_STATE_IN_PROGRESS (1)
899#define TM_STATE_ERROR (2)
900
901typedef enum {
902 FC,
a9b2937a 903 SPI,
1da177e4
LT		 904 SAS
905} BUS_TYPE;
906
907typedef struct _MPT_SCSI_HOST {
908 MPT_ADAPTER *ioc;
909 int port;
910 u32 pad0;
911 struct scsi_cmnd **ScsiLookup;
c7c82987 912 VirtTarget **Targets;
1da177e4
LT		 913 MPT_LOCAL_REPLY *pLocal; /* used for internal commands */
914 struct timer_list timer;
915 /* Pool of memory for holding SCpnts before doing
916 * OS callbacks. freeQ is the free pool.
917 */
918 u8 tmPending;
919 u8 resetPending;
920 u8 negoNvram; /* DV disabled, nego NVRAM */
921 u8 pad1;
922 u8 tmState;
923 u8 rsvd[2];
924 MPT_FRAME_HDR *cmdPtr; /* Ptr to nonOS request */
925 struct scsi_cmnd *abortSCpnt;
926 MPT_LOCAL_REPLY localReply; /* internal cmd reply struct */
927 unsigned long hard_resets; /* driver forced bus resets count */
928 unsigned long soft_resets; /* fw/external bus resets count */
929 unsigned long timeouts; /* cmd timeouts */
930 ushort sel_timeout[MPT_MAX_FC_DEVICES];
7fadc87e
MED		 931 char *info_kbuf;
932 wait_queue_head_t scandv_waitq;
933 int scandv_wait_done;
934 long last_queue_full;
935 u8 mpt_pq_filter;
1da177e4
LT		 936} MPT_SCSI_HOST;
937
938/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
939/*
940 * More Dynamic Multi-Pathing stuff...
941 */
942
943/* Forward decl, a strange C thing, to prevent gcc compiler warnings */
944struct scsi_cmnd;
945
946/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
947/*
948 * Generic structure passed to the base mpt_config function.
949 */
950typedef struct _x_config_parms {
951 struct list_head linkage; /* linked list */
952 struct timer_list timer; /* timer function for this request */
69218ee5
CH		 953 union {
954 ConfigExtendedPageHeader_t *ehdr;
955 ConfigPageHeader_t *hdr;
956 } cfghdr;
1da177e4
LT		 957 dma_addr_t physAddr;
958 int wait_done; /* wait for this request */
959 u32 pageAddr; /* properly formatted */
960 u8 action;
961 u8 dir;
962 u8 timeout; /* seconds */
963 u8 pad1;
964 u16 status;
965 u16 pad2;
966} CONFIGPARMS;
967
968/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
969/*
970 * Public entry points...
971 */
7fadc87e
MED		 972extern int mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id);
973extern void mpt_detach(struct pci_dev *pdev);
974#ifdef CONFIG_PM
975extern int mpt_suspend(struct pci_dev *pdev, pm_message_t state);
976extern int mpt_resume(struct pci_dev *pdev);
977#endif
1da177e4
LT		 978extern int mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass);
979extern void mpt_deregister(int cb_idx);
980extern int mpt_event_register(int cb_idx, MPT_EVHANDLER ev_cbfunc);
981extern void mpt_event_deregister(int cb_idx);
982extern int mpt_reset_register(int cb_idx, MPT_RESETHANDLER reset_func);
983extern void mpt_reset_deregister(int cb_idx);
984extern int mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, int cb_idx);
985extern void mpt_device_driver_deregister(int cb_idx);
986extern MPT_FRAME_HDR *mpt_get_msg_frame(int handle, MPT_ADAPTER *ioc);
987extern void mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
988extern void mpt_put_msg_frame(int handle, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
989extern void mpt_add_sge(char *pAddr, u32 flagslength, dma_addr_t dma_addr);
990
991extern int mpt_send_handshake_request(int handle, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag);
992extern int mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp);
993extern u32 mpt_GetIocState(MPT_ADAPTER *ioc, int cooked);
994extern void mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buf, int *size, int len, int showlan);
995extern int mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
996extern int mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *cfg);
997extern int mpt_toolbox(MPT_ADAPTER *ioc, CONFIGPARMS *cfg);
998extern void mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size);
999extern void mpt_free_fw_memory(MPT_ADAPTER *ioc);
1000extern int mpt_findImVolumes(MPT_ADAPTER *ioc);
1001extern int mpt_read_ioc_pg_3(MPT_ADAPTER *ioc);
82ffb671 1002extern int mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode);
2a238ea5 1003extern int mpt_alt_ioc_wait(MPT_ADAPTER *ioc);
1da177e4
LT		 1004
1005/*
1006 * Public data decl's...
1007 */
1008extern struct list_head ioc_list;
f747307e 1009extern struct proc_dir_entry *mpt_proc_root_dir;
1da177e4
LT		 1010
1011extern int mpt_lan_index; /* needed by mptlan.c */
f747307e 1012extern int mpt_stm_index; /* needed by mptstm.c */
1da177e4
LT		 1013
1014/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1015#endif /* } __KERNEL__ */
1016
1017#if defined(__alpha__) || defined(__sparc_v9__) || defined(__ia64__) || defined(__x86_64__)
1018#define CAST_U32_TO_PTR(x) ((void *)(u64)x)
1019#define CAST_PTR_TO_U32(x) ((u32)(u64)x)
1020#else
1021#define CAST_U32_TO_PTR(x) ((void *)x)
1022#define CAST_PTR_TO_U32(x) ((u32)x)
1023#endif
1024
1025#define MPT_PROTOCOL_FLAGS_c_c_c_c(pflags) \
1026 ((pflags) & MPI_PORTFACTS_PROTOCOL_INITIATOR) ? 'I' : 'i', \
1027 ((pflags) & MPI_PORTFACTS_PROTOCOL_TARGET) ? 'T' : 't', \
1028 ((pflags) & MPI_PORTFACTS_PROTOCOL_LAN) ? 'L' : 'l', \
1029 ((pflags) & MPI_PORTFACTS_PROTOCOL_LOGBUSADDR) ? 'B' : 'b'
1030
1031/*
1032 * Shifted SGE Defines - Use in SGE with FlagsLength member.
1033 * Otherwise, use MPI_xxx defines (refer to "lsi/mpi.h" header).
1034 * Defaults: 32 bit SGE, SYSTEM_ADDRESS if direction bit is 0, read
1035 */
1036#define MPT_TRANSFER_IOC_TO_HOST (0x00000000)
1037#define MPT_TRANSFER_HOST_TO_IOC (0x04000000)
1038#define MPT_SGE_FLAGS_LAST_ELEMENT (0x80000000)
1039#define MPT_SGE_FLAGS_END_OF_BUFFER (0x40000000)
1040#define MPT_SGE_FLAGS_LOCAL_ADDRESS (0x08000000)
1041#define MPT_SGE_FLAGS_DIRECTION (0x04000000)
1042#define MPT_SGE_FLAGS_ADDRESSING (mpt_addr_size() << MPI_SGE_FLAGS_SHIFT)
1043#define MPT_SGE_FLAGS_END_OF_LIST (0x01000000)
1044
1045#define MPT_SGE_FLAGS_TRANSACTION_ELEMENT (0x00000000)
1046#define MPT_SGE_FLAGS_SIMPLE_ELEMENT (0x10000000)
1047#define MPT_SGE_FLAGS_CHAIN_ELEMENT (0x30000000)
1048#define MPT_SGE_FLAGS_ELEMENT_MASK (0x30000000)
1049
1050#define MPT_SGE_FLAGS_SSIMPLE_READ \
1051 (MPT_SGE_FLAGS_LAST_ELEMENT | \
1052 MPT_SGE_FLAGS_END_OF_BUFFER | \
1053 MPT_SGE_FLAGS_END_OF_LIST | \
1054 MPT_SGE_FLAGS_SIMPLE_ELEMENT | \
1055 MPT_SGE_FLAGS_ADDRESSING | \
1056 MPT_TRANSFER_IOC_TO_HOST)
1057#define MPT_SGE_FLAGS_SSIMPLE_WRITE \
1058 (MPT_SGE_FLAGS_LAST_ELEMENT | \
1059 MPT_SGE_FLAGS_END_OF_BUFFER | \
1060 MPT_SGE_FLAGS_END_OF_LIST | \
1061 MPT_SGE_FLAGS_SIMPLE_ELEMENT | \
1062 MPT_SGE_FLAGS_ADDRESSING | \
1063 MPT_TRANSFER_HOST_TO_IOC)
1064
1065/*}-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1066#endif
1067
Linux kernel - Deliverables
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